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Finding the Fourth Proportional to 48,751.74, 67,278.63 and 29,899.26

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Solution

The fourth proportional to 48,751.74, 67,278.63 and 29,899.26 is: 41,261.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,751.74 : 67,278.63 = 29,899.26 : x
  2. Step 2: Convert to fraction form
    48,751.74/67,278.63 = 29,899.26/x
  3. Step 3: Cross multiply
    48,751.74x = 67,278.63 × 29,899.26
  4. Step 4: Simplify right side
    48,751.74x = 2,011,581,250.81
  5. Step 5: Solve for x
    x = 2,011,581,250.81/48,751.74
  6. Step 6: Final answer
    x = 41,261.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.